What is the energy of a quantum of light of frequency4.31*10 14thHz?

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2006-11-24 05:49:43 · 4 answers · asked by horsegirl 1 in Science & Mathematics ➔ Chemistry

E=hf where h = 6.6210^-34 Js

e = 6.6210^-34*4.31*10^14 = 2.71 10^-19 Joule=1.7 eV

2006-11-24 05:55:54 · answer #1 · answered by maussy 7 · 0⤊ 0⤋

Use the formula E = hv, where h = 6.627 x 10 -34 J.s

2006-11-24 13:56:38 · answer #2 · answered by Dr. Seema K 1 · 0⤊ 0⤋

E = Planck's Constant x frequency. Get out the old calculator and punch away.

2006-11-24 13:54:47 · answer #3 · answered by Gene 7 · 0⤊ 0⤋

2.8 x 10^-19 J

2006-11-24 13:57:12 · answer #4 · answered by ag_iitkgp 7 · 0⤊ 0⤋